The cuckoo sneaks in to lay its egg while the reed warbler is out for food.

This Bird Never Raises Its Own Babies 🐦🥚

The Hungriest Stepchild in the Nest #bird #nature #wildlife #cuckoo

This Bird Tricks Other Birds Into Raising Its Baby

Spain fans cuckoo for Cucurella after France World Cup defeat

CUCKOO BIRD BROOD PARASITISM

A cuckoo chick can hatch in another bird’s nest, push out the original eggs or chicks…